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Oracle 1Z0-062 Exam Dumps

Vendor: Oracle
Exam Code: 1Z0-062
Exam Name: Oracle Database 12c: Installation and Administration
Certification: Oracle Database Application Development
Total Questions: 411 Q&A
Updated on: Dec 16, 2024
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1Z0-062 Online Practice Questions and Answers

Questions 1

You find this query being used in your Oracle 12c database:

Which method a used by the optimizer to limit the rows being returned?

A. A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows

B. All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application.

C. A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows.

D. A TOP-N query is created to limit the rows to 20 percent of the total rows

Show Answer

Questions 2

The performance of your database degrades between 11:00 AM and 3:00 PM. Automatic Workload Repository (AWR) snapshots are collected on an hourly basis.

What is the most efficient way of diagnosing this problem?

A. Create a custom ADDM task for the period defined by the snapshots taken between 11:00 AM and

3:00 PM.

B. Analyze the latest Automatic Database Diagnostic Monitor (ADDM) report.

C. Analyze the hourly ADDM reports generated between 11:00 AM and 3:00 PM.

D. Create a SQL Tuning Set (STS) for the currently cached SQL statements in the shared pool and run SQL Performance Analyzer (SPA) to generate recommendations.

Show Answer

Questions 3

Which three statements are true about naming methods? (Choose three.)

A. Local naming supports multiple protocols, but for any one connection, the client and server must use the same protocol.

B. In the Easy Connect method, clients can connect to a database server by using the host name of the database with an optional port and service name.

C. In the Easy Connect method, the listener port and IP address must be provided for the connection to be successful.

D. The local naming method does not support connect-time failover and load-balancing options.

E. The directory naming method supports connect-time failover and load-balancing options.

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